There have been a lot of whiskeys released over the past couple of months to celebrate the America’s 250th birthday this 4th of July. The latest comes from one of the bigger bourbon brands in the game—Knob Creek—which announced the release of a limited-edition semiquincentennial bourbon that comes with a blue wax topper instead of the regular black one.
What’s in a wax topper anyway? For some whiskey brands, a lot. Maker’s Mark, for example, trademarked its…

